AIPGMEE 2011 – Anatomy MCQ 1

Which of the following movements will not be affected by involvement of the L5 Nerve root?
A. Thigh adduction
B. Knee Flexion
C. Knee Extension
D. Toe Extension

Answer : A. Thigh adduction

Thigh adduction is performed by adductor muscles (magnus, longus, brevis) with gracilis and pectineus acting as accessory muscles. None of them are supplied by L5 nerve root.

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